Finding the Fourth Proportional to 1,092,967.49, 1,638,011.84 and 613,186.13
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Solution
The fourth proportional to 1,092,967.49, 1,638,011.84 and 613,186.13 is: 918,971.65
Step by Step Solution
- Step 1: Write the proportion equation
1,092,967.49 : 1,638,011.84 = 613,186.13 : x - Step 2: Convert to fraction form
1,092,967.49/1,638,011.84 = 613,186.13/x - Step 3: Cross multiply
1,092,967.49x = 1,638,011.84 × 613,186.13 - Step 4: Simplify right side
1,092,967.49x = 1,004,406,129,807.79 - Step 5: Solve for x
x = 1,004,406,129,807.79/1,092,967.49 - Step 6: Final answer
x = 918,971.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.